14 million years of history in 25 minutes
![](http://blogs.adelaide.edu.au/environment/files/2014/11/DiegoGBC_2-263x300.jpg)
In this podcast, Diego discusses the secrets of the universe and the secrets of life through a summary of the last 14 million years.
Diego also responds to a listener asking how we know that life on Earth is older than 8000 years.
All in less than half an hour.
Listen to the podcast.
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